相关实验视频
Updated: Jan 16, 2026
09:17
Surrogate Model Development for Digital Experiments in Welding
Published on: March 28, 2025
1.8K
在AA100合金中使用ANN和ANFIS预测模型对摩擦接接的可靠性评估
J Gokulachandran1, A Sumesh2, M S Narassima3
1Department of Mechanical Engineering, Amrita School of Engineering, Amrita Vishwa Vidyapeetham, Coimbatore, India.
Scientific reports
|September 26, 2025
概括
这项研究优化了对AA 1100合金的摩擦冲动接 (FSW). 适应性神经模糊推理系统 (ANFIS) 有效地预测并提高了接可靠性,实现了优越关节强度的最佳参数.
科学领域:
- 材料科学与工程 材料科学与工程
- 制造过程 制造过程 制造过程
- 计算智能是一种计算智能.
背景情况:
- 摩擦接 (FSW) 是一种对合金至关重要的固态连接技术.
- 优化FSW参数对于最大限度地提高接质量和可靠性至关重要.
- 预测接可靠性的传统方法可能是复杂和耗时的.
研究的目的:
- 调查FSW参数 (螺旋转速,料速度,轴负荷) 对AA 1100合金的抗拉强度和可靠性的影响.
- 开发和比较软计算模型,特别是自适应神经模糊推理系统 (ANFIS) 和人工神经网络 (ANN),用于预测接可靠性.
- 确定最佳的FSW参数,以实现AA 1100合金中最大的关节可靠性.
主要方法:
- 利用Taguchi L27直角阵列进行高效的实验设计.
- 进行了拉伸试验,以评估接强度和确定故障时间.
- 应用信号与噪声 (S/N) 比率分析,以确定影响的关键参数.
- 使用韦布尔分析来评估接的可靠性.
- 开发了ANFIS和ANN模型,根据工艺参数预测接可靠性.
主要成果:
- ANFIS模型显著优于ANN模型,显示较低的平均百分比误差 (4.61%与19.95%) 和根平均平方误差 (RMSE) (0.002与0.008).
- 确定了最大限度地提高关节可靠性的最佳FSW参数:1200rpm旋转转速,18mm/min料速率和7kN轴负.
- 在最佳参数设置下,实现了0.87的预测接可靠性.
结论:
- 安菲斯是预测和优化AA 1100合金中FSW接头可靠性的高效工具.
- 已确定的最佳FSW参数为生产高质量的接提供了一种可靠的方法.
- 这项研究有助于推进固态接的智能制造和质量控制.
相关概念视频
01:21Fatigue
801
Fatigue occurs when materials rupture under repeated or fluctuating loads, even at stress levels far below their static breaking strength. It typically results in brittle failure, even for ductile materials. It is a critical consideration in designing machines and structural components subjected to repetitive or varying loads. The nature of these loadings can range from fluctuating loads like unbalanced pump impellers causing vibrations to repeatedly bending a thin steel rod wire back and forth...
801
01:12Temperature Dependent Deformation
365
In a nonhomogeneous rod made up of steel and brass, restrained at both ends and subjected to a temperature change, several steps are involved in calculating the stress and compressive load. Due to the problem's static indeterminacy, one end support is disconnected, allowing the rod to experience the temperature change freely. Next, an unknown force is applied at the free end, triggering deformations in the rod's steel and brass portions. These deformations are then calculated and added...
365
01:18Mechanical Characteristics of Steel
1.0K
The mechanical characteristics of steel are assessed through various tests that evaluate its strength, toughness, and flexibility. These tests include tension, torsion, impact, bending, and hardness assessments, each providing crucial information about steel's suitability for specific applications.
The tension test is fundamental for determining tensile strength. In this test, a steel specimen is stretched using a gripping device until it breaks. The data collected during this test are used...
The tension test is fundamental for determining tensile strength. In this test, a steel specimen is stretched using a gripping device until it breaks. The data collected during this test are used...
1.0K